boilers造句

Conversely, test made in full - scale boilers are usually difficult to reconcile.
與此相反, 在工業(yè)規(guī)模的鍋爐內(nèi)所做的試驗(yàn),也難于互相一致.

Most boilers have a lifespan of 15 to 20 years.
絕大多數(shù)鍋爐有15至20年的使用期限。

The clean coal is sent to a crusher and the boilers.
干凈的煤送入破碎機(jī)和鍋爐.

Make sure that all gas fires and central heating boilers are serviced annually.
確保所有的煤氣取暖器和中央供暖的鍋爐每年都檢修一次。

The paper analysis the speciality of design calculation a boiler collocating air - preheater other two boilers needed.
分析了一臺(tái)鍋爐加掛其它兩臺(tái)鍋爐所需 空預(yù)器 設(shè)計(jì)計(jì)算的特殊性,提出了有效的計(jì)算方法.

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